Observation of field-induced single-ion magnet behavior in an octahedral dysprosium complex with a strong ligand field?

New Journal of Chemistry Pub Date: 2021-01-02 DOI: 10.1039/D0NJ05398H

Abstract

By employing oxygen-containing ligands with strong coordination ability, a mononuclear six-coordinate DyIII complex [Dy(Ph3PO)3(OPhCl2NO2)3] (1) (Ph3PO = triphenylphosphine oxide, Cl2NO2PhOH = 2,6-dichloro-4-nitrophenol) with an octahedral DyO6 coordination environment has been successfully synthesized. Magnetic measurements reveal that complex 1 exhibits field-induced slow magnetic relaxation with an energy barrier of 21.3 K, which provides a rare case for mononuclear octahedral Ln-based complexes with slow magnetic relaxation behavior.

Graphical abstract: Observation of field-induced single-ion magnet behavior in an octahedral dysprosium complex with a strong ligand field
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